package org.itheima.mapper;

import org.apache.ibatis.annotations.*;
import org.itheima.pojo.Category;

import java.util.List;

@Mapper
public interface CategoryMapper {
    //新增
    @Insert("insert into category(category_name,category_alias,create_user,create_time,update_time)"+
    "values (#{categoryName},#{categoryAlias},#{createUser},#{createTime},#{updateTime})")
    void add(Category category);

    //列表查询
    @Select("select * from category where create_user = #{userId}")
    List<Category> list(Integer userId);

    //根据id查询用户信息
    @Select("select * from category where id = #{id]}")
    Category findByid(Integer id);

    //更新数据
    @Update("update category set category_name=#{categoryName},category_alias=#{categoryAlias},update_time=#{updateTime} where id = #{id}")
    void update(Category category);

    //删除数据
    @Delete("delete from category where id = #{id}")
    void del(Integer userId);




}
